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MA_775_DIABLO [31]
3 years ago
11

Which of the following is NOT a root of x (x+3)(x-1)(2x+1)= 0

Mathematics
2 answers:
valina [46]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Given

x(x + 3)(x - 1)(2x + 1) = 0

Equate each factor to zero and solve for x

x = 0

x + 3 = 0 ⇒ x = - 3

x - 1 = 0 ⇒ x = 1

2x + 1 = 0 ⇒ 2x = - 1 ⇒ x = - \frac{1}{2}

Thus

x = 0, x = - 3, x = 1, x = - \frac{1}{2} are the roots

Hence

111 x = - 1 and iv x = \frac{1}{2} are NOT roots → D

Novay_Z [31]3 years ago
5 0

Answer:

The answer is A only i. (0)

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